Baffes, John; Kabundi, Alain; Nagle, Peter - 2020
This paper presents estimates of time-varying income elasticities of demand for energy and metal commodities. The … analysis finds that the elasticities are close to unity, evaluated at world median per capita income levels. Furthermore, the …, estimates for aggregate metals and energy differ by an order of magnitude throughout the income spectrum: from a low of 0.2 for …